Pushkar Desai, et al. “Pulmonary Artery Catheter Versus Central Venous Catheter in Patients Undergoing Beating Heart Coronary Artery Bypass Surgery: A Comparative Approach”. New Frontiers in Medicine and Medical Research Vol. 7, Aug. 2021, pp. 114-9, doi:10.9734/bpi/nfmmr/v7/11961D.